<template>
  <a-card :bordered="false" :style="{ height: '100%' }">
    <a-row :gutter="24">
      <a-col :md="4">
        <a-list itemLayout="vertical" :dataSource="roles">
          <a-list-item slot="renderItem" slot-scope="item, index" :key="index">
            <a-list-item-meta :style="{ marginBottom: '0' }">
              <span
                slot="description"
                style="text-align: center; display: block"
              >{{ item.describe }}</span>
              <a
                slot="title"
                style="text-align: center; display: block"
                @click="edit(item)"
              >{{ item.name }}</a>
            </a-list-item-meta>
          </a-list-item>
        </a-list>
      </a-col>
      <a-col :md="20">
        <div style="max-width: 800px">
          <a-divider v-if="isMobile()" />
          <div v-if="mdl.id">
            <h3>角色：{{ mdl.name }}</h3>
          </div>
          <a-form :form="form" :layout="isMobile() ? 'vertical' : 'horizontal'">
            <a-form-item label="唯一键">
              <a-input
                v-decorator="[ 'id', {rules: [{ required: true, message: 'Please input unique key!' }]} ]"
                placeholder="请填写唯一键"
              />
            </a-form-item>

            <a-form-item label="角色名称">
              <a-input
                v-decorator="[ 'name', {rules: [{ required: true, message: 'Please input role name!' }]} ]"
                placeholder="请填写角色名称"
              />
            </a-form-item>

            <a-form-item label="状态">
              <a-select v-decorator="[ 'status', {rules: []} ]">
                <a-select-option :value="1">正常</a-select-option>
                <a-select-option :value="2">禁用</a-select-option>
              </a-select>
            </a-form-item>

            <a-form-item label="备注说明">
              <a-textarea
                :row="3"
                v-decorator="[ 'describe', {rules: [{ required: true, message: 'Please input role name!' }]} ]"
                placeholder="请填写角色名称"
              />
            </a-form-item>

            <a-form-item label="拥有权限">
              <a-row :gutter="16" v-for="(permission, index) in permissions" :key="index">
                <a-col :xl="4" :lg="24">{{ permission.name }}：</a-col>
                <a-col :xl="20" :lg="24">
                  <a-checkbox
                    v-if="permission.actionsOptions.length > 0"
                    :indeterminate="permission.indeterminate"
                    :checked="permission.checkedAll"
                    @change="onChangeCheckAll($event, permission)"
                  >全选</a-checkbox>
                  <a-checkbox-group
                    :options="permission.actionsOptions"
                    v-model="permission.selected"
                    @change="onChangeCheck(permission)"
                  />
                </a-col>
              </a-row>
            </a-form-item>
          </a-form>
        </div>
      </a-col>
    </a-row>
  </a-card>
</template>

<script>
import { getRoleList, getPermissions } from '@/api/manage'
import { mixinDevice } from '@/utils/mixin'
import { actionToObject } from '@/utils/permissions'
import pick from 'lodash.pick'

export default {
    name: 'RoleList',
    mixins: [mixinDevice],
    components: {},
    data() {
        return {
            form: this.$form.createForm(this),
            mdl: {},

            roles: [],
            permissions: []
        }
    },
    created() {
        getRoleList().then(res => {
            this.roles = res.result.data
            this.roles.push({
                id: '-1',
                name: '新增角色',
                describe: '新增一个角色'
            })
            console.log('this.roles', this.roles)
        })
        this.loadPermissions()
    },
    methods: {
        callback(val) {
            console.log(val)
        },

        add() {
            this.edit({ id: 0 })
        },

        edit(record) {
            this.mdl = Object.assign({}, record)
            // 有权限表，处理勾选
            if (this.mdl.permissions && this.permissions) {
                // 先处理要勾选的权限结构
                const permissionsAction = {}
                this.mdl.permissions.forEach(permission => {
                    permissionsAction[permission.permissionId] = permission.actionEntitySet.map(entity => entity.action)
                })

                console.log('permissionsAction', permissionsAction)
                // 把权限表遍历一遍，设定要勾选的权限 action
                this.permissions.forEach(permission => {
                    const selected = permissionsAction[permission.id]
                    permission.selected = selected || []
                    this.onChangeCheck(permission)
                })

                console.log('this.permissions', this.permissions)
            }

            this.$nextTick(() => {
                this.form.setFieldsValue(pick(this.mdl, 'id', 'name', 'status', 'describe'))
            })
            console.log('this.mdl', this.mdl)
        },

        onChangeCheck(permission) {
            permission.indeterminate =
                !!permission.selected.length && permission.selected.length < permission.actionsOptions.length
            permission.checkedAll = permission.selected.length === permission.actionsOptions.length
        },
        onChangeCheckAll(e, permission) {
            console.log('permission:', permission)

            Object.assign(permission, {
                selected: e.target.checked ? permission.actionsOptions.map(obj => obj.value) : [],
                indeterminate: false,
                checkedAll: e.target.checked
            })
        },
        loadPermissions() {
            getPermissions().then(res => {
                const result = res.result
                this.permissions = result.map(permission => {
                    const options = actionToObject(permission.actionData)
                    permission.checkedAll = false
                    permission.selected = []
                    permission.indeterminate = false
                    permission.actionsOptions = options.map(option => {
                        return {
                            label: option.describe,
                            value: option.action
                        }
                    })
                    return permission
                })
            })
        }
    }
}
</script>

<style scoped>
</style>
